445252623 has 16 divisors (see below), whose sum is σ = 607676160. Its totient is φ = 289911744.

The previous prime is 445252609. The next prime is 445252637. The reversal of 445252623 is 326252544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (445252609) and next prime (445252637).

It is not a de Polignac number, because 445252623 - 2¹³ = 445244431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445252693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12688 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (37979760).

Almost surely, 2^445252623 is an apocalyptic number.

445252623 is a deficient number, since it is larger than the sum of its proper divisors (162423537).

445252623 is a wasteful number, since it uses less digits than its factorization.

445252623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19918.

The product of its digits is 57600, while the sum is 33.

The square root of 445252623 is about 21101.0099995237. The cubic root of 445252623 is about 763.6051150259.

It can be divided in two parts, 4452 and 52623, that added together give a palindrome (57075).

The spelling of 445252623 in words is "four hundred forty-five million, two hundred fifty-two thousand, six hundred twenty-three".